Word.ws English Dictionary

not half

not half adverb: greatly; to a considerable extent.

Adverb

not half (not comparable)

  1. (UK, slang) Greatly; to a considerable extent.
    • "So you fancy that girl then?" "Not half!"
    • "You bet she wouldn't like fer me to be killed—not 'arf!..."1902, The Windsor Magazine: An Illustrated Monthly for Men and Women, Vol. XVI June to November 1902

Questions about not half

What does not half mean?
Not half means greatly; to a considerable extent.
What part of speech is not half?
Not half is an adverb.

Words near not half in the dictionary

  1. not give much for someone's chances
  2. not going anywhere
  3. not grow on trees
  4. not guilties
  5. not guilty
  6. not half
  7. not half bad
  8. not happy, Jan
  9. not hardly
  10. not have a bean
  11. not have a care in the world

Source and license

Adapted from Wiktionary: not half (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-not half.ogg.

Cite this entry: “not half.” Word.ws, https://word.ws/not_half. Based on Wiktionary, CC BY-SA 4.0.